Officials said the agency arrested the manager of the bank's branch in the K G Marg area here, late last night after questioning.

"The manager has been arrested under the provisions of the Prevention of Money Laundering Act and will be produced before the court for further custody," they said.

The Enforcement Directorate took on the case and registered an FIR under PMLA laws after taking cognisance of Delhi Polices' crime branch FIR in the said case.

Police had also arrested two persons last week for allegedly depositing black money worth Rs 34 crore in nine fake accounts being operated in the Naya Bazar branch of the said bank here.

Kotak Mahindra Bank issued a statement on the news:

“With reference to the ongoing investigation of the said accounts, Kotak Mahindra Bank had proactively informed Financial Intelligence Unit (FIU) and the Bank has already suspended the services of its employee Ashish Kumar. The Bank has zero tolerance towards employees not adhering to its Code of Conduct, and takes strict measures against them. The Bank confirms that it has a robust system of regularly and proactively filing necessary reports with the FIU for all large transactions.

"The Bank has on record all necessary KYC documents, including PAN card. The Bank on its own, on observing the nature of transactions in these accounts, proactively filed a report with FIU for further investigations well in time. On subsequent investigation by the Income Tax authorities, the Bank, as per their instructions, has deposited the entire amount that was credited with these accounts with the Income Tax department. As can be seen from the Bank’s actions, the Bank has fully cooperated and communicated with the relevant authorities, and has demonstrated the highest standards of compliance, and the Bank will continue to do so.” Rohit Rao, Spokesperson, Kotak Mahindra Bank, said.

A bank spokesperson had then said in a statement that it "confirms that it has a robust system of regularly and proactively filing necessary reports with the statutory authorities as prescribed by them, which include these accounts.

"The Bank denies that there were any fake accounts.The Bank is extending full cooperation to the investigating authorities," the spokesperson said.